UBUNTU-CVE-2026-68144

In the Linux kernel, the following vulnerability has been resolved: phonet: pep: fix use-after-free in pepgetsb pepgetsb doesn't consider that pskbmaypull might have relocated the skb data, and continue to access the older pointer, causing UAF. Reproduced under KASAN: BUG: KASAN:...

UBUNTU-CVE-2026-68291

In the Linux kernel, the following vulnerability has been resolved: idpf: fix maxvport related crash on allocation error during init Set adapter-maxvports only after successful allocation of vports, netdevs and vportconfig buffers. This fixes possible crashes on reset or rmmod, following failed...

UBUNTU-CVE-2026-68386

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Reject unhashed UDP sockets on sockmap update UDP sockets get SOCKRCUFREE set when auto-bound. This means skisrefcountedunbound = true, while skisrefcountedbound = false. Because sockmap accepts unbound UDP sockets,...

UBUNTU-CVE-2026-68335

In the Linux kernel, the following vulnerability has been resolved: rds: drop incoming messages that cross network namespace boundaries rdsfindbound looks up the destination socket using a global rhashtable keyed solely on addr, port, scopeid. Network namespaces are not part of the key, so a send...

UBUNTU-CVE-2026-68406

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate PMSR FTM preamble range PMSR FTM request parsing accepts preamble values outside the enumerated nl80211 preamble range. Reject out-of-range values before using them in the parser capability bit test using...

UBUNTU-CVE-2026-68180

In the Linux kernel, the following vulnerability has been resolved: intelth: fix MSC output device reference leak intelthoutputopen looks up the output device with busfinddevicebydevt, which returns the device with a reference that must be dropped after use. commit 95fc36a234da "intelth: fix devi...

UBUNTU-CVE-2026-68392

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix locking in unpairdevice/disconnectsync Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF. Take hdev-lock for hciconn lookup and hciabortconn. Don't use RCU to ensur...

UBUNTU-CVE-2026-68225

In the Linux kernel, the following vulnerability has been resolved: media: i2c: alvium: fix critical pointer access in alviumctrlinit The current implementation of alviumctrlinit creates several controls in function alviumctrlinit and uses the returned pointer without check. That can cause write...

UBUNTU-CVE-2026-68348

In the Linux kernel, the following vulnerability has been resolved: ASoC: tas2781: bound firmware description string parsing The TAS2781 firmware parser reads several variable-length description strings with strlen before checking that the string terminator is present inside the firmware blob. A...

UBUNTU-CVE-2026-68426

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix stale skb-prev after async crypto steals a GSO segment skbgsosegment leaves the segment list head with -prev pointing at the last segment, an invariant validatexmitskblist relies on when it sets its tail pointer tail =...

UBUNTU-CVE-2026-68361

In the Linux kernel, the following vulnerability has been resolved: hwmon: corsair-psu Stop device IO before calling hidhwstop hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of hiddeviceiostart withi...

UBUNTU-CVE-2026-68358

In the Linux kernel, the following vulnerability has been resolved: hwmon: nzxt-kraken3 Stop device IO before calling hidhwstop Calling hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of...

UBUNTU-CVE-2026-68360

In the Linux kernel, the following vulnerability has been resolved: hwmon: corsair-cpro Stop device IO before calling hidhwstop Calling hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of...

UBUNTU-CVE-2026-68400

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Fix Endpoint Memory Access Descriptor offset calculation Use the descriptor's epmemoffset to calculate the start of the endpoint memory access array and to comply with the FF-A spec instead of defaulting to...

UBUNTU-CVE-2026-68370

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: dummyhcd: prevent fiforeq reuse during giveback dummyhcd embeds a single shared usbrequest dum-fiforeq that the "emulated single-request FIFO" fast-path in dummyqueue reuses for small IN transfers: it copies the...

UBUNTU-CVE-2026-68246

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx11: replace BUGON with WARNON There's no need to crash the kernel for these cases. cherry picked from commit daa62107452d2451787c4248ca38fa2d1a0cbefd...

UBUNTU-CVE-2026-68404

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: use wiphy work for socket owner autodisconnect nl80211netlinknotify walks the cfg80211 wireless device list when a NETLINKGENERIC socket is released. If the socket owns a connection, the notifier queues the embedd...

UBUNTU-CVE-2026-68145

In the Linux kernel, the following vulnerability has been resolved: iomap: fix out-of-bounds bitmapset with zero-length range ifssetrangedirty and ifssetrangeuptodate compute lastblk as off + len - 1 iblkbits. When off is 0 and len is 0, the unsigned subtraction underflows to SIZEMAX, producing a...

UBUNTU-CVE-2026-68313

In the Linux kernel, the following vulnerability has been resolved: tipc: fix infinite loop in tipcnlcompatdumpit cmd-dumpit callback can return a negative errno, causing an infinite loop due to the whilelen condition. As the loop never terminates, genlmutex is never released, and other tasks...

UBUNTU-CVE-2026-68420

In the Linux kernel, the following vulnerability has been resolved: xfrm: reject optional IPTFS templates in outbound policies syzbot reported a stack-out-of-bounds read in xfrmstatefind which flows from xfrmtmplresolveone. Commit 3d776e31c841 "xfrm: Reject optional tunnel/BEET mode templates in...

UBUNTU-CVE-2026-68255

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: bound EDID block reads to the response buffer virtiogetedidblock validates the read offset only against the device-supplied resp-size field, never against the fixed-size resp-edid array. The EDID block index is driven...

UBUNTU-CVE-2026-68362

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL pointer dereference in ath11khalsrngaccessbegin In ATH11KQMIEVENTFWREADY, ATH11KFLAGREGISTERED is set unconditionally even when ath11kcoreqmifirmwareready fails. This leaves the driver in an inconsistent...

UBUNTU-CVE-2026-68301

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

UBUNTU-CVE-2026-68377

In the Linux kernel, the following vulnerability has been resolved: net/sched: acttunnelkey: Defer dstrelease to RCU callback Fix a race-condition use-after-free in tunnelkeyreleaseparams. The function releases the metadatadst of the old params synchronously via dstrelease while deferring the...

UBUNTU-CVE-2026-68199

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix OOB access from firmware ADDBA window size aggrrecvaddbareqevt logs a debug message when the firmware-supplied winsz is outside AGGRWINSZMIN, AGGRWINSZMAX but does not return. The out-of-range winsz is then used...

UBUNTU-CVE-2026-68407

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: free RNR data on MBSSID mismatch nl80211parsebeacon rejects EMA RNR data when there are fewer RNR entries than MBSSID entries. The rejected RNR allocation has not been attached to the beacon data yet, so free it...

UBUNTU-CVE-2026-68306

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix possible NULL-pointer deref in mt7996mcustabfereht mt76connacgetehtphycap routine can theoretically return NULL so check cap pointer before dereferencing it...

UBUNTU-CVE-2026-68322

In the Linux kernel, the following vulnerability has been resolved: rds: Fix inet6addrlst NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, inet6addrlst is never initialized because inet6init exits before addrconfinit is called to initialize it. An attempt t...

UBUNTU-CVE-2026-68248

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Return NULL on error in activeinstance Avoid returning &node-base when node is NULL due to OOM during GFPATOMIC allocation. Discovered using AI-assisted static analysis confirmed by Intel Product Security. cherry picked...

UBUNTU-CVE-2026-68309

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: fix possible NULL-pointer deref in mt76connacmcuunibsshetlv mt76connacgethephycap routine can theoretically return NULL so check cap pointer before dereferencing it...

UBUNTU-CVE-2026-68307

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix crash in reset link replay During reset recovery, mt7925vifconnectiter replays firmware state for links tracked in mvif-validlinks. After MLO link changes or MCU timeout recovery, the driver bitmap can...

UBUNTU-CVE-2026-68238

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Release VFCT ACPI table reference amdgpuacpivfctbios fetches the VFCT table with acpigettable but never releases it. acpigettable takes a reference on the table incrementing its validationcount and mapping it on the 0...

UBUNTU-CVE-2026-68315

In the Linux kernel, the following vulnerability has been resolved: sctp: validate stream count in sctpprocessstrresetinreq When processing a RESETINREQUEST from a peer, sctpprocessstrresetinreq derives the stream count from the parameter length but does not check whether the resulting...

UBUNTU-CVE-2026-68300

In the Linux kernel, the following vulnerability has been resolved: sctp: auth: verify auth requirement when authchunk is NULL sctpauthchunkverify returns true unconditionally when chunk-authchunk is NULL, silently skipping authentication. This is incorrect when: 1. skbclone failed in the BH...

UBUNTU-CVE-2026-68162

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid authenable sysctl UAF during netns teardown procsctpdoauth updates the SCTP control socket after changing net.sctp.authenable. The handler gets the per-net SCTP state from ctl-data, so an already opened sysctl file ca...

UBUNTU-CVE-2026-68398

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...

UBUNTU-CVE-2026-68320

In the Linux kernel, the following vulnerability has been resolved: sctp: fix authchunklist capacity check in sctpauthepaddchunkid sctpauthepaddchunkid uses SCTPNUMCHUNKTYPES 20 as the capacity limit for ep-authchunklist, allowing it to hold up to 20 chunk entries paramhdr.length up to 24. Howeve...

UBUNTU-CVE-2026-68365

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: cap received transmit credits The interrupt-status packet reports transmit credits returned by the device. edgeinterruptcallback adds the 16-bit value to txCredits without checking maxTxCredits. edgewrite...

UBUNTU-CVE-2026-68202

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

UBUNTU-CVE-2026-68143

In the Linux kernel, the following vulnerability has been resolved: net: slip: serialize receive against buffer reallocation slreallocbufs replaces rbuff and updates buffsize while holding sl-lock. slipreceivebuf reads those fields and writes through rbuff without holding the lock. An MTU change...

UBUNTU-CVE-2026-68214

In the Linux kernel, the following vulnerability has been resolved: media: rtl2832: fix use-after-free in rtl2832remove canceldelayedworksync is called before i2cmuxdeladapters in rtl2832remove. While the cancel waits for any running instance of i2cgatework to finish, it does not prevent the time...

UBUNTU-CVE-2026-68236

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: set newstream to NULL after release In dmupdatecrtcstate, the skipmodeset path releases newstream via dcstreamrelease but does not set the pointer to NULL. If a later error e.g., color management failure triggers...

UBUNTU-CVE-2026-68376

In the Linux kernel, the following vulnerability has been resolved: sctp: fix authhmacs array size in struct sctpcookie The authhmacs array in struct sctpcookie is supposed to store a complete SCTPAUTHHMACALGO parameter, which consists of a struct sctpparamhdr followed by N HMAC identifiers...

UBUNTU-CVE-2026-68155

In the Linux kernel, the following vulnerability has been resolved: libceph: Reject monmaps advertising zero monitors A message of type CEPHMSGMONMAP contains a monmap that is sent from a monitor to the client. This monmap contains information about the existing monitors in the cluster. Currently...

UBUNTU-CVE-2026-68156

In the Linux kernel, the following vulnerability has been resolved: libceph: refresh auth-authorizerbuf,len after authorizer update cephxcreateauthorizer caches au-buf-vec.iovbase and au-buf-vec.iovlen in struct cephauthhandshake. These cached values are then used by the messenger connect code wh...

UBUNTU-CVE-2026-68159

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pgtemp,upmap,upmapitems length to CEPHPGMAXSIZE decodepgtemp decodes an user-controlled length but only rejects values large enough to overflow the allocation; it does not bound it to CEPHPGMAXSIZE. The helper back...

UBUNTU-CVE-2026-68188

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

UBUNTU-CVE-2026-68153

In the Linux kernel, the following vulnerability has been resolved: libceph: remove debugfs files before client teardown cephdestroyclient tears down the monitor client before removing the per-client debugfs files. A concurrent read of the monmap debugfs file can enter monmapshow after cephmoncst...

UBUNTU-CVE-2026-68363

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: don't dereference hifdev after re-arming firmware request ath9khifrequestfirmware re-arms an asynchronous firmware load via requestfirmwarenowait, passing hifdev as the completion context, and then still...

UBUNTU-CVE-2026-68160

In the Linux kernel, the following vulnerability has been resolved: ceph: fix pre-auth out-of-bounds read on snaptrace in cephhandlecaps cephhandlecaps reads snaptracelen from the wire-format cephmdscaps header and uses it unconditionally to build a fake end pointer snaptrace + snaptracelen that ...